Pillis, John de, author
Holt, Rinehart and Winston, 1969
Buku Teks
Lawson, Terry, author
John Wiley & Sons, 1996
Buku Teks
Petersen, Peter, author
Springer, 2012
eBooks
White, Paul A., author
Dickenson, 1966
Buku Teks
Mulyadi, author
Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 2011
UI - Tesis (Open)